12 Vehicle and trailer hitches; trailer hitch receivers; hitch bars; vibration dampers for trailer hitches; cargo carriers for vehicles and trailers; truck bed extenders; motorized tailgates for trucks; trailers for vehicles; trailer hitch mounts and balls, tow bar tubing, electronic brake controls, sway controls, cotter pins, stabilizer pins, pull pins, metal fasteners, locks, hitch balls, hitch ball covers, hitch blocks, couplers, safety chains, clips, tow hooks, pintle hooks, pole tongue adapters, and towing bars; bicycle carriers; bicycle carrier adapters; torsion hitch kits comprised essentially of receiver tubing, receiver tube covers, hook-up brackets; land vehicle hitch boxes, bolts and angles, trailer tow lights and structural parts therefor; automobile and truck accessories, namely, license plate brackets, hood shields, vehicle side window vent shades, tube steps, brush bars, tonneau covers, truck bed covers, taillight covers, vehicle side window louvers, cargo carrier nets, fenders, hubcaps, and side view mirrors; protectors in the nature of caps which cover the hubs of vehicle wheels, anti-theft locks for use on vehicle tire wheels, spare tire carriers, boat trailer guides, boat motor locks, and vehicle mounted alignment guides for use in aligning a trailer tongue and a hitch ball during trailer attachment; jack casters for trailers; jack couplers for trailers; transmission coolers and mounting brackets and connection hoses therefore for land vehicles